Throughout the whole of the conversation he never once looked me _____ the face.
  A. at     B. on    C. in     D. to

当神州六号飞船往太空发射时，我们马上欢呼起来。(cheer up)

Will those ______ the children from abroad come to the headmaster's office?

　　A. teaching        B. teach     C. who teaches    D. who teaching

你同他保持联系多久了？

How long have you ________ ________ ________ ________ him?

_______ in 1636, Harvard is one of the most famous universities in the United States

     A. Being founded    B. It was founded    　 C. Founded     　　　　 D. Founding

The food we eat seems to have a great effect on our health. Although science has made big steps in making food more fit to eat, it has, at the same time, made many foods unfit to eat. Some research has shown that perhaps eighty percent of human illness is related to food and forty percent of cancer is related to food as well. That food is related to illness is not a new discovery. In 1945, some researchers realized that things commonly used to keep colour in meats and other food additives（添加剂）caused cancer.

Yet, these additives remain in our food, and it is difficult to know which things on the wrappings（包装）of foods are helpful or harmful. The additives which we eat are not all so direct. Farmers often give penicillin to their animals, and because of this, penicillin has been found in the milk of cows. Sometimes similar tings are supplied to animals not for their health, but just to make a profit.

The farmers are simply trying to fatten the animals in order to get a higher price on the market. Although some countries have tried to control such things, the practice continues.

1．According to this passage, we can know 　　 .

A．perhaps most of human illness is caused by what we eat

B．perhaps most kinds of cancer are related to what people eat

C．cancer was discovered in 1945

D．science has made food unfit to eat

2．Things that are used to keep colours in meats are 　　 .

A．harmful　 　 B．useless　　 C．helpless　　 D．dangerous

3．All the additives 　　 .

A．are bright and colourless

B．are not bright and colourful

C．have indirect effects on our health

D．have direct effects on our health

4．People use additives 　　 .

A．to make food more unfit to eat

B．to improve the colour and taste of the food

C．to change colour of the food

D．to take off the diseases of the food

5．Which of the following is not true?

A．Some wrappings of food are harmful.

B．Farmers try to make more money on the market by fattening their animals.

C．“The practice continues” means “things are still going on like that”.

D．We needn’t take care of what we eat.

He was observed 　　　　　　　　　 (溜进房子) and help himself to what he liked before the owner came back.(slip)

Eventually，the President had to leave office________public pressure in order to ease the tension of the situation.

A．in favor of B．in response to　 C．in return for D．in honour of

Eliza is a poor flower girl who has _________ (雄心勃勃) to improve herself

We never doubt ______ our school team will win the match against No. 3 Middle School.

A. whether　　 B. that　　 C. if　　 D. what